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莆田
莆田A sealing and fitting structure for a well body
莆田Closed physical examination and well inspection
莆田A New Type of Closed Composite Plastic Inspection Well
莆田Business license
莆田High and New Technology Enterprise Certificate
莆田Low-carbon safe operation of urban and rural water supply systems applicable technology and equipment
莆田Assembled high-strength composite resin inspection wells
莆田Development and Application Technology Integration of Assembled High Strength Composite Resin Water Supply Inspection Well
莆田Quality management system certification
莆田Occupational Health Management System Certification
莆田Environmental Management System Certification
莆田People's Republic of China communications industry standard "underground communications pipeline with preformed composite man (hand) hole
莆田China Association for the Promotion of International Science and Technology "assembled high-strength composite resin inspection wells
莆田Group standard for IoT intelligent terminal protection water meter wells
莆田Standardization Working Committee of China Association for the Promotion of International Science and Technology
莆田Housing and Construction Department Announcement
莆田Technical standards for assembled high-strength composite resin water supply wells
莆田A structural type of manhole cover
莆田A kind of combined municipal inspection well
莆田Electricity intelligent manhole cover
莆田Split type composite inspection well
莆田A kind of FRP resin inspection well with prefabricated composite seal at the branch pipe opening
莆田An IoT monitoring well tool
莆田A polygonal reinforced well
莆田A composite well with lateral expansion
莆田A kind of interlocking diagonal reinforcement at the corners
莆田A reinforcing structure with reinforcing bars and reinforcing blocks
莆田A deepening tube with grid-like reinforcement
莆田A staggered reinforcement structure at the corners
莆田A re-straight fit structure of well body and deepening pipe
莆田A concave-convex structure docking mating structure applied to a closed composite well
莆田A mating composition of a ribbed assembly for a split well
莆田A surface reinforced structure with multiple shape fits on the surface
莆田A seal fitting structure at the position of well body and top cover
莆田A reinforced structure with inner and outer diamond fit